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Offline cracker  
#1 Posted : Thursday, August 05, 2010 8:04:35 PM(UTC)
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can anyone tell me what the low and high pressures should be when the ac compressor is on and do you need to re-calibrate the digital climate control when replaced? thanks in advance
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Offline 99ImperSSonator  
#2 Posted : Thursday, August 05, 2010 8:07:41 PM(UTC)

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I dont know about the digital controls but I just done my ac last month and the pressure with the ac on and running was 44 psi and with it off it was about 105 psi. I hope this helps you.
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#3 Posted : Thursday, August 05, 2010 8:24:48 PM(UTC)
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thanks for the help, when i charged mine to 20 the clutch stays on as it should, but when i brought it up to 30-35 the clutch starts to cycle every 15 to 20 seconds. any ideas did i overcharge? thanks again
Offline 99ImperSSonator  
#4 Posted : Thursday, August 05, 2010 8:27:40 PM(UTC)

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Hmm, I dont think so. My ac gauge said that anywhere in between 20 and 45 psi is good. Is the ac blowing cold at idle?
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#5 Posted : Thursday, August 05, 2010 8:37:01 PM(UTC)
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no it started to cool then just went warm again, the low side pipe was sweating until i raised the pressure and the clutch started cycling.
Offline 99ImperSSonator  
#6 Posted : Thursday, August 05, 2010 8:38:15 PM(UTC)

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Did you change the orfice before you tried to charge it?
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#7 Posted : Thursday, August 05, 2010 8:49:06 PM(UTC)
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i changed the dryer, orfice tube, and pulled vacuum for 45 minutes, started charging emptied first can and clutch engaged but still cycling, started second can until cluch would stay engaged around 20 psi stopped charging to check temp. it was cooling but not as cold as it should be. started charging more up to 30-35 when it went warm and clutch would not stay engaged for any longer than 20 second intervals. thats it
Offline 99ImperSSonator  
#8 Posted : Thursday, August 05, 2010 8:54:24 PM(UTC)

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I am no expert at this, just trying to help and give you some pointers from my experience with mine. I would check the relay and mabe switch it with one of the other ones under the hood at the fuse and relay box. I think the headlight and ac relay is the same. Mabe that is your problem. If not there is a guy on the other site that may be able to help you.
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#9 Posted : Thursday, August 05, 2010 8:58:07 PM(UTC)
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thanks for the help
Offline 99ImperSSonator  
#10 Posted : Thursday, August 05, 2010 8:59:30 PM(UTC)

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Any time, and if you find out for sure what it is let me know.

Carl
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